The nature of dark matter has eluded scientists for decades, despite the mystery substance accounting for 85 percent of all matter in the universe....
Scientists cannot see it, measure it or interact with it in any meaningful way, and yet, they strongly suspect it exists because of the way our universe is shaped....
Simply put, without a major source of gravity holding galaxies together, their motion would tear them apart. Many theories have been put forward to explain this mystery substance,
综合
每日快报-科学
2021-12-17 00:00:00.0